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A Java Optimization Framework

There is a newer version: 4.6.0

package soot.jimple.toolkits.typing.fast;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 2008 Ben Bellamy 
 * 
 * All rights reserved.
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import java.util.Collection;

import soot.Type;

/**
 * @author Ben Bellamy
 */
public interface IHierarchy {
  Collection lcas(Type a, Type b, boolean useWeakObjectType);

  boolean ancestor(Type ancestor, Type child);
}